3621 21st Street Boulder, CO $ 13,000,000
3621 21st Street
$ 13,000,000
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3621 21st Street

Boulder, CO, 80304
$ 13,000,000
Bedrooms4 Baths4.1 Sq 7,099

Monthly Estimate*

$ 81,103

Listed by Compass - Boulder
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Single Family Home for sale in Boulder, CO

for $13,000,000 with 4 bedrooms and 4 full baths, 1 half bath. This 7,099 square foot home was built in 2021 on a lot size of 0.66.

Meticulously crafted, masterfully built, and expertly curated with an elevated design, this custom home is a true masterpiece, perfectly situated on a premier lot in the exclusive Carolyn Heights neighborhood, The exquisite design and inspiring architecture of this exceptional residence ensures that every facet embodies luxury, casual elegance, and attention to detail, harmoniously blending wood, glass, stone, and steel to create an ambiance that is both inviting and inspiring. Upon entry, you'll be greeted by soaring ceilings, wide plank white oak flooring, & an open-concept main level bathed in abundant natural light streaming through expansive windows, inviting the outside in. The prodigious living area seamlessly integrates indoor & outdoor spaces, offering a glimpse of the splendid living experience that awaits. The architectural grandeur is showcased w/ a dramatic three-story open-tread wooden staircase, custom steel railings, & illuminated by bespoke lighting. The centerpiece of the home, the gourmet kitchen, boasts an impressive center island, marble & quartz countertops, artisanal tile, custom cabinetry, top-tier chef's appliances, & walk-in pantry. The elegant main floor primary bedroom suite is a tranquil retreat, w/ wall-to-wall windows, a generous walk-in closet w/custom cabinetry. The soothing primary bathroom features premium quality finishes, including designer tile, custom cabinetry, & alluring lighting.The heated pool w/ a tanning shelf, natural stone deck, & automatic pool cover takes center stage in the serene yard. Every aspect of this smart home seamlessly integrates technology, design, & automation to ensure security & convenience, and efficiency. For the discerning owner desiring a residence that embodies casual elegance & architectural interest, w/proximity to vibrant downtown Boulder & nestled in an upscale neighborhood, this property is a rare find that offers an unsurpassed lifestyle.

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Single Family Active

Price

$ 13,000,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 54,784

Style

Contemporary

Lot Size

0.66

Year Built

2021

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1025368

Features
Interior
Interior Amenities Eat-in Kitchen Five Piece Bath Kitchen Island Open Floorplan Pantry Vaulted Ceiling(s) Walk-In Closet(s) Wet Bar
Basement Full
Flooring Tile Wood
Fireplace Features Gas Living Room
Basement (Y/N) Y
Window Features Double Pane Windows Window Coverings
Above Grade Finished Area 4544
Half Baths 1
3/4 Baths 3
Laundry Features In Unit
Total Bedrooms 4
Below Grade Finished Area 1756
Main Level Bedrooms 1
Main Level Bathrooms 2
Total Baths 5
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General
Sewer Public Sewer
Heating Baseboard Forced Air Hot Water Radiant
Cooling Central Air
Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available
Possession Closing/DOD
Roof Composition
Appliances Bar Fridge Dishwasher Disposal Double Oven Dryer Freezer Microwave Oven Refrigerator Trash Compactor Washer
Zoning RES
Garage Spaces 3
Patio/Porch Features Patio
Architectural Style Contemporary
Pool Features Private
Security Features Fire Sprinkler System Smoke Detector(s)
Construction Materials Block Brick Stone Frame
Exclusions Personal Property and Staging Items
Year Built 2021
Levels Two
Property Subtype Single Family Residence
Tax Year 2023
Ownership Individual
County Boulder
Property Type Residential
HOA N
Attached Garage Y
Subdivision Name Carolyn Heights
Facing Direction East
Possible Use Residential
Full Baths 1
Status Active
High School Boulder
City Boulder
High School District Boulder Valley RE 2
Lot Size Square Feet 28700
Listing Terms Cash Conventional
Elementary School Crest View
Tax Annual Amount 54784
Middle/Junior High School Centennial
Concessions No
Virtual Tour https://youtu.be/Us9ESmi2pfs
Structure Type House
Standard Status Active
Occupancy Type Owner
Elementary School District Boulder Valley RE 2
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Exterior
Exterior Amenities Dog Run Gas Grill Spa/Hot Tub
Vegetation Grassed Wooded
Parking Features Heated Garage Oversized
Lot Features Level Sprinklers In Front
Water Source Public
Total Parking 3
Building Area Total 7099
Lot Size Acres 0.66
Road Surface Type Paved
Road Frontage Type Public
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Internal Only
Street Number 1 3621
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* Excluded Features
List By
Compass - Boulder

Broker

(303) 475-6097

Phone

Affordability Calculator

$85,668
Per Month
95%
5%
0%
Monthly Principal & Interest
$81,103
Monthly Property Taxes
$4,565
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
1955828 Elementary School
1955871 Middle School
Boulder High School High School
Pricing History
DatePricePrice ChangeDescription
1/29/2025$13,000,000 Listed Price

Map


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3621 21st Street, Boulder, CO, 80304 is a Single Family Home for sale at $13,000,000 with 7,099 sqft and a lot size of 0.66. 3621 21st Street has 4 bedrooms, 4.1 baths, and was built in 2021. The property's zip code is 80304 which is in Boulder, CO